Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net (loss)	$ (1,844,000)	$ (3,677,000)
Adjustments to reconcile net (loss) to net cash (used in) operating activities:
Non-cash stock-based compensation expense	30,000	147,000
Depreciation and amortization	222,000	291,000
Deferred loan fees amortization, net of loss on warrant liability	470,000	369,000
Change in deferred rent	1,000	69,000
Changes in operating assets and liabilities:
Accounts receivable	(277,000)	(51,000)
Prepaid expenses and other current assets	(37,000)	(110,000)
Accounts payable	226,000	(207,000)
Accrued liabilities	(577,000)	163,000
Assets held for sale	478,000	(204,000)
Liabilities held for sale	(308,000)	422,000
Net cash (used in) operating activities	(1,616,000)	(2,788,000)
Cash flows from investing activities:
Net change in other non-current assets	(14,000)	8,000
Additions to property and equipment	(234,000)	(90,000)
Net cash (used in) investing activities	(248,000)	(82,000)
Cash flows from financing activities:
Proceeds from borrowings under line of credit	700,000	2,284,000
Principal payments on capital lease obligations	(31,000)	(27,000)
Principal payments on long-term debt	(26,000)	(63,000)
Payment of deferred offering costs	(358,000)	(22,000)
Net cash provided by financing activities	285,000	2,172,000
Net (decrease) in cash and cash equivalents	(1,579,000)	(698,000)
Cash and cash equivalents at beginning of period	2,629,000	1,020,000
Cash and cash equivalents at end of period	1,050,000	322,000
Supplemental cash flow information:
Cash paid for interest	$ 106,000	74,000
Supplemental non-cash operating and financing activity:
Offering costs, deferred and unpaid		$ 7,000
Offering costs, unpaid	$ 100,000
Reclassified property and equipment from prepaid expenses		$ 51,000